California Auditor Identified 57 Deficient State Dams

A new audit reveals that dozens of state dams are in poor condition, putting millions of residents at risk of failure.

Updated on Oct. 13, 2026 in Utilities

Bold flat-color editorial illustration depicting a monolithic dam silhouette against a neutral background, symbolizing failing state infrastructure. — A California state audit found 57 dams in poor condition, potentially endangering 1.5 million people and threatening $265 billion in economic damages. AI Illustration. Upload story photo >

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Should California require all dam owners to maintain emergency funds for mandatory safety repairs?

The California State Auditor reported that 57 dams across the state are currently in poor or unsatisfactory condition. A failure of these structures could potentially endanger 1.5 million people and cause over $265 billion in economic damage.

Why it matters

Many of these structures were built before modern safety standards existed and currently lack the funding necessary for repairs. Because state law does not require owners to keep financial reserves for large-scale maintenance, these critical infrastructure gaps remain unaddressed.

Repairing all deficient state dams is projected to cost more than $28 billion over the next five years. Individual repair projects for these aging structures can reach costs of $100 million per dam.

The players

California State Auditor

This office provides independent oversight of state government operations and financial performance.

Department of Water Resources

This state agency is responsible for the management and protection of California water resources and infrastructure safety.

The details

Most of the affected dams are owned by private companies and local agencies rather than the state. While the Department of Water Resources gained significant oversight power in 2017, the lack of mandatory financial reserves leaves many owners unable to fund necessary upgrades.

The Department of Water Resources gained significant oversight authority in 2017.
The state auditor released the report on degraded dams on October 13, 2026.
Repairing all deficient state dams is estimated to take place over the next five years.

Market Landscape

This report highlights a critical infrastructure deficit that pits local agency budget constraints against state-mandated safety requirements. It underscores the broader challenge of maintaining aging utilities that were constructed decades before current population and safety demands emerged.

Residents in high-population areas like Los Angeles, San Diego, and the Bay Area face potential safety risks from proximity to these failing structures. Homeowners and local businesses should monitor regional safety advisories regarding the specific status of dams in their vicinity.

The takeaway

The lack of state-mandated financial reserves for dam maintenance creates a significant blind spot in public safety and infrastructure planning. Residents should remain aware of local water authority disclosures regarding dam integrity to ensure they are informed about their immediate safety environment.